【目的/意义】探索大数据背景下,中外各国政府数据开放在运行方式及保障机制方面的异同,为我国Data.Dov平台的构建提出建设性意见。【方法/过程】以各国Data.Gov资料为基础,运用文献分析法、统计分析法、比较分析法,对我国及美国、英国、澳大利亚、欧盟四个国家和地区政府数据开放在基本原则、质量控制、整合利用、开放协作及评估机制、监督与问责机制等运行机制中的共性与差异进行分析。【结果/结论】提出我国需在数据分析工具开发、职能角色定位、数据集整合开发与政策法律框架构建等方面努力,加快我国Data.Gov平台建设。 【Purpose / Significance】 Explore the similarities and differences between the government data of Chinese and foreign countries in terms of operation mode and safeguard mechanism under the background of big data, and put forward constructive suggestions for the construction of Data.Dov platform in our country. [Method / Process] Based on the Data.Gov data of various countries, using the methods of literature analysis, statistical analysis and comparative analysis, this paper analyzes the basic principle and quality of government data in China, the United States, Britain, Australia and the EU. Control, integration and utilization, open cooperation and evaluation mechanism, supervision and accountability mechanisms and other operating mechanisms in common and differences in the analysis. [Results / Conclusions] It is proposed that China should make efforts to develop the Data Analysis Tool, define the functional roles, integrate and develop the data set and establish the legal and legal framework so as to speed up the construction of the Data.Gov platform in China.